Touched by an Angel (1994)

Season 3: Episode 6

Marty Dillard, an overachieving Secret Service agent, is at odds with Monica, assigned as an agent to protect a Presidential candidate. While off duty, Marty befriends Ulysses Dodd, an older gentlemen who teaches her to enjoy fishing for its own sake rather for sheer competitiveness. Baffled by a series of death threats to Senator Hammond, Marty begrudgingly accepts help from Monica and Andrew, who's posing as a forensics specialist.