S9, E4: While Martin prepares for his first night's work as a security guard, a busy Frasier, Niles and the gang fuss over who will get stuck with walking Eddie, prompting a peeved Martin to recall his tragic last night as a cop, and his partner's warning not to let his family become strangers to each other. Meanwhile, Daphne and Niles are in a dither when they each buy tickets to rival concerts on the same night.