Addison must deal with the return of Naomi's former patients, Zoe and Amelia, whose embryos were accidentally switched, and a serious complication that may end up jeopardizing both fetuses. Meanwhile the time has come for Katie's trial, as Violet struggles with whether or not she can face her attacker in court, and Charlotte is determined to convince Addison, Sam and Cooper to let her join Oceanside Wellness Group.

Addison and Sam go for a hike in Malibu, and must perform urgent field care when they stumble upon an expecting couple, trapped in their car after an accident. Meanwhile at Oceanside Wellness, Charlotte, Cooper and Violet treat a newlywed who, out of nervousness for his wedding night, has taken too much Viagra, and Pete and Sheldon hit the bar scene together but fall for the same girl.