When long-running medical drama "Grey's Anatomy" returns, someone will disclose some classified gossip about the frequent hookups at Grey Sloan Memorial.

TVGuide reported that someone will get uncomfortable with all of the promiscuity among the staff, and will take the information to the human resources department.

When the series returns, viewers will also find out the long-awaited answer that April (Sarah Drew) gives to Jackson (Jesse Williams).

The synopsis for the upcoming episode, "Take It Back," reads: "The doctors face the consequences of the events that took place at April's wedding. Meredith feels betrayed when Derek goes back on a promise, Alex is furious after returning to the hospital and hearing the news about his father (returning guest star James Remar), and Arizona and Callie decide whether or not to move forward together. Meanwhile, Bailey realizes she was wrong about the motive behind Ben's decision to move back to Seattle."

TVLine released a series of exclusive photos from the upcoming episode, including photos of Alex (Justin Chambers) with his ailing father and Callie (Sara Ramirez) talking to Arizona (Jessica Capshaw). Check out the photos here.

Also, when the series returns, Jo and Alex will go up against a common rival. Camilla Luddington, who plays Jo, spoke to TVLine about their shared enemy.

"In the first episode back, which picks up right after the wedding, you see Jo being kind of a rock for Alex because he's furious about what Shane has done to his dad," explains Camilla Luddington. "He's distraught by it. And she's there for him. And she's also ready to go [toe-to-toe] with Shane. She hates Shane. She's not for him staying at the hospital. So you see her get closer to Alex through that."

Fans are also wondering when Jo will say "I love you" back to Alex, but Luddington has a feeling that she may have already said it, and viewers just haven't seen it.

"I almost get the impression that she has said it to him, it just hasn't been onscreen yet," she says. "Maybe there will be a moment where we see her really declare her love for him, because we haven't seen it. But she's crazy about him. I think that she absolutely does love him."

At the end of February, fans will also know if the rest of the show's "originals" will stay with the series for another season or two. Patrick Dempsey and Ellen Pompeo have already signed on for another two years.

TVLine also reports that while showrunner Shonda Rhimes will have an "unorthodox" episode, the episode will not feature a flash-foward.

The second half of the 10th season will also see the debut of Alex's father Jimmy's (James Remar) estranged wife, played by "Victorious" alum Susan Chuang. She will be lured to Grey Sloan Memorial under false pretenses, and will not be too happy with her husband.

Additionally, Paul James ("Greek") will join the cast this season in a potentially recurring role. His character will come to hospital to assist with research. James has also appeared on "Torchwood: Miracle Day," "CSI: NY" and "Shameless."

The next episode of "Grey's Anatomy" airs Thursday, Feb. 27 at 9 p.m. EST on ABC.