Just as Callie starts tries to tell him to leave, Wyatt comes and attacks Liam.
Later, at the Mexican street festival, Wyatt ends up seeing Liam there while with Callie.
He eventually leaves after the fight, driving off in a fury.
I Do Liam is first seen in this episode at the court hearing. When Callie is talking, he seems essentially nervous, especially when she boldly tells him, "you know what you did to me." Liam wins the case due to lack of evidence.
Stef goes on craigslist to set up a meeting with one of the potential thieves.
Meanwhile, Callie notices Sarah at the drop-in center.