小三泪求我联手捉拿小四
[xiăo sān lèi qiú wŏ lián shŏu zhuō ná xiăo sì]
Here '小三' refers to 'the third party (in relationships)', generally someone entering an already established relationship. The title implies such a person is seeking alliance with this netizen to expose or stop '小四', or another intruder into their shared situation, showing a kind of satire against the common phenomenon in society.