讲述一名退休的杀手，无奈之下只能重操旧业，用上以往的杀戮技能，跟曾经的雇主大战一场......

Alastair (Norris), the commander of a covert Earth security task force, calls upon super-powered rookie Jim (Ting) to go on a mission led by battle-hardened Colonel Green (Singer) and his seasoned mar...