《W》是奇幻爱情电视剧，是讲述30代初半男女们的故事。 现实世界中的外科医生吴妍珠（韩孝周 饰）听说了身为著名漫画家的父亲失踪的消息，于是赶到父亲的工作室寻找线索，偶然地进入了人气漫画《W》的世界。2016年的首尔，相同的空间、不同的次元，与漫画男主人公姜哲（李钟硕 饰）在现实与虚幻中交错展开的悬疑浪漫爱情故事。
该剧是《不要单身要恋爱》的系列剧第二部。
When high school teacher Na Aejoon shows up for work on an ordinary day, he never expects to bump into his favorite celebrity in the hallway. But when his school becomes a filming location for a show starring Choi Siyeol, his bias from the idol group A-One, that's exactly what happens! If that's not enough to give a fanboy a heart attack, Siyeol takes an interest in Aejoon and asks him to join the show as his "co-teacher." Desperate to keep his fan life a secret, Aejoon is forced to put his acting skills to the test, and not just on camera. But as he spends more and more time with Siyeol, the deception becomes harder to keep up. Not to mention, he might not be the only one keeping secrets…
史无前例的强大病毒席卷整个国家。一起疑点重重的事故导致的后果是，在现场的所有人都在经历过2天的潜伏期后死亡，死亡率高达100%！为了应对这谜团重重的病毒，成立了“特殊传染病防治小组”来寻找解决之道，且调查其背后的真相。小组的成员李明贤（严基俊 饰）在调查的过程中，愈发觉得这起病毒事件远没有想象的那么简单。而这时他们又发现，当时在现场的还有名幸存者，为了防治更多的人被感染，明贤一直在追踪这名幸存者金仁哲（金显佑 饰）。于是一场猫鼠游戏开始展开，而明贤也在追踪的过程中，疑似感染上了病毒。 面对越来越恶劣的大环境，最终的真相究竟如何……
此剧讲述一个突然成为富二代的女人，克服所有不幸顽强地生活，与另一个富家出身的女人突然开始过着平凡生活，两人回顾人生和家庭的故事。
