Overview:Kyle and Ryan's overbearing father, Mack, surprises his sons with a visit. Mack enrages Ryan with his demeaning and hateful comments, then turns on Kyle after learning that he cannot have children. Unable to cope with the pressure, Ryan and Kyle flee Kyle's birthday party and get into a fight that ends in the pool. Kyle attacks his father after he belittles him and reveals his condition to Ryan. Amanda mends her relationships with Eve and Peter. Lexi jumps to conclusions when she sees Amanda and Peter at a hotel while Eve is out of town for a gig. Audrey sues Michael for sexual harassment, and the hospital refuses to support him. Jane shuns Michael following a surprising meeting with Audrey. Michael and Audrey have a secret rendezvous. Lexi sabotages a Valentine's Day date with one of her love candidates. Megan resigns from the project. Lexi gains access to Megan's records and discovers that Ryan is her perfect mate.