Michael plans an elaborate surprise party for Colin's milestone birthday, but the night takes a devastating turn after a shocking revelation.

Reeling from the news of Colin's whereabouts, Michael tries to keep it together during a charity dinner attended by his rival and a sought-after client.

Michael discovers how much dating has changed in the years since he was last single and attends a seminar with Suzanne to change his outlook on life.

At a roller disco event, Michael bumps into a guy with boyfriend potential. Claire zeroes in on an apartment, and Stanley goes on a date.

During a ski weekend with Stanley and Billy, Michael starts to spiral when he receives an update on Colin. Claire joins Suzanne for a night on the town.

While dealing with his demanding new client, Michael receives a crash course in how to use a hookup app — and the importance of an intimate selfie.

While feeling betrayed by a friend, Michael lunches with his mother, learns about Colin's new addition and confronts some hard truths about himself.

Michael prepares to face Colin at the wedding of the Jonathans, where sobering news, blunt toasts and deep reflections make it a night to remember.