At work, she's a renowned assassin. At home, she's a single mom to a teenage daughter. Killing? That's easy. It's parenting that's the hard part.
A new virus (a.k.a “fantomal virus”) is transmitted to a small rural village. Dasol, a three-month nurse working in the village hospital, is being workplace bullying (a.k.a “burned”). In the meantime, Dasol begins to educate a new nurse Eunbi earlier than expected due to the poor ward situation.
Suffering from the loss of their eldest son, Yeon-jung's family starts to fall apart when they lie to each other about their personal motives in life. After betrayal and disappointments are exposed, they rediscover their love for one another while trying to fulfill a promise they made to their deceased son.
Do-hyun, the captain of the basketball team, is preparing for the championship. Hye-in, the team manager, brings Dong-wook, Do-hyun's first love, to fill in for an injured teammate.
Si Woo, the female lead, suddenly gains superpowers one day: ‘if you share the Subway menu, you can hear the person’s heart’. The title of the work was created by combining the English word ‘Hear’ and Subway’s ‘Way’ to contain the same content.