Thirty (S01E07)

Stuart organizes an extravagant surprise party to celebrate Vince's 30th birthday. However, the festivities take a turn for the worse when Rosalie arrives unexpectedly. Stuart, for his own reasons, had invited her and complicates matters by introducing her to Cameron. Upset by the encounter, Rosalie quickly departs, leaving Vince enraged. In the aftermath, both Vince and Cameron hastily exit the party, frustrated by the unfolding chaos.