When The Thief’s partner is kidnapped after stealing millions in cash from a merciless drug lord named Nushi, he reluctantly teams up with an angst-ridden orphan to rescue him. Nushi enlists her most trusted hitman, The Cowboy, a lovable charmer who’s quick with his guns, to track down the Thief. Guns, cars, and explosions will give the newfound partners a head start, but how long will they be able to keep it up?

Follows spymaster Professor Wolfgang McGee, an academic who secretly manages a roster of espionage assets. These assets, referred to as Romeo or Juliet spies, are informants engaged in intimate long or short term relations with state intelligence targets. Wolfgang is a semi-retired Romeo operator, having worked his way up from youth in an unnamed and officially deniable "service" under the umbrella of Canada's Intelligence Community.

世界上最强的杀手邓肯·维兹拉（绰号“黑凯撒”）即将退休，但前雇主认为他会成为公司的累赘。迫不得已的他只能重操旧业，对抗一伙年轻、敏捷、残忍的杀手，为了干掉邓肯，他们将不择手段。