Chelsea have book their place in the fifth round of FA Cup after seeing off Championship side Plymouth at Stamford Bridge on Saturday afternoon.
The visitor made perfect start to the game and found themselves lead inside 8th minutes through Gillesphey, who broken the deadlock with a header.
Mateo Kovacic made brilliant effort to equasile for the Blues but his two sensational strike hitting bar before Cesar Azipilicueta finally to put the Blues back on track with a back-heel finish.
The Spain international received cross from Mason Mount with a back-heel finish. Both teams unable to find back of the net again, and the matches heading to extra-time.
Two minutes before first 15th minutes Marco Alonso netted a fantastic goal after Kai Havertz delivered a good passes on Spain international.
Plymouth had opportunity to equasile from spot-kick but a big thank to Kepa Arrizabalaga who made brilliant save to denied the opponents player penalty.