In 255, in the midst of Cao Wei's having to deal with a rebellion by Guanqiu Jian and Wen Qin, Eastern Wu forces, led by Sun Jun, tried to attack Cao Wei's border region, but withdrew after Sima Shi quickly put down the rebellion. (Wen Qin and his troops did surrender to him after they were defeated.) Later that year, another plot against Sun Jun was discovered, and a large number of officers were executed, along with Sun Quan's second daughter Sun Luyu, falsely implicated by her elder sister Sun Luban.