An unexpected announcement at Gaby's engagement party; a dead body in a home on Wisteria Lane; Susan makes a choice between Ian and Mike.
J.D. asks Dr. Cox for lunch but runs into annoying former patient Jill Tracy, who unexpectedly teaches him something about responsibility.
Christy helps Jill adjust to being a new foster mother; and Bonnie has trouble convincing her tenants that she’s a good building manager.
A casino employee is beaten and raped on her way home from work, but she survives and identifies her attacker.
A teenage killer eludes Mulder and Scully by moving too fast for the human eye to follow.