Counterstrike (1990)

S1E19 Cinema Verité

Marlowe, a mystery novelist and an Olympic-level backstroke swimmer, is reported to have drowned accidentally while fly-fishing in the frigid waters of Lake Ontario during winter. Given his penchant for living on the edge, an accidental drowning feels highly suspicious. Sensing something amiss, Alexander dispatches the Counterstrike team to dig deeper into the circumstances surrounding Marlowe's death.