Wang Yuan, codenamed Ma Siyuan, failed in an assassination mission. The consequence of the failure was that the title of the undefeated myth was broken, and his partner Yi Yang Qianxi was also depressed.
After Yi Yang Qianxi's investigation, it was discovered that the two men who had completed the mission before them were the rising stars in the assassination world, the duo of K and Wen.
Wang Yuan, who originally thought that they would never meet again after this mission, never expected that another assassination mission would make them inseparable, and even their relationship would change...
## ## CP will not be reversed if it is not dismantled.
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