Mystery of the mystery gelato.
The detectives investigate the separate murders of two supposedly upstanding citizens: an ex-convict turned community activist and a doctor who donated time to helping drug addicts and prostitutes.
Brandon seeks Dylan's help with both taking down Professor Finley's cult-like organization and reuniting with his girlfriend, but when it comes to Kelly all bets are off. Also, Ray tries to cut ties with Valerie.
Sipowicz and Clark are assigned to work with John Clark, Sr. on a murder investigation. Two good samaritans run afoul of the law when the burglar they caught dies from a head wound.
The detectives investigate the bombing of an abortion clinic that killed a guard. The squad gets a new lead on an old murder case. Ortiz's husband, Don, is murdered by his mistress' husband.
