Garda Commissioner Nóirín O'Sullivan has said she is determined that An Garda Síochána learn lessons from the past.
Commissioner O'Sullivan described last year as "challenging" and said the force will accept criticism and advice both from within and from oversight bodies.
She also said the plan is focussed on garda reform, change and continuous development.
The Commissioner made her comments in the Garda's Annual Policing Plan, which sets out the policing commitments for 2015.
Among the priorities determined by Minister for Justice Frances Fitzgerald are the protection of the State and the people against terrorism in all its forms and combating violent and organised crime as well as human trafficking and white-collar crime.
The Commissioner has also said that while she will ensure crime prevention is at its core, when a crime is committed gardaí will investigate it thoroughly and professionally.
She said the force will work tirelessly towards transforming itself into an organisation that the Government, the people of Ireland and all garda staff will be proud of.
Meanwhile, the minister said forthcoming legislation to extend the remit of the Garda Ombudsman is expected to be enacted by the end of the month.
She said the bill to establish the new policing authority is to be published by Easter.
Ms Fitzgerald also said she met the Garda Commissioner yesterday, but a spokesperson would not say if the arrests of Anti-Austerity Alliance TD Paul Murphy and three other men were discussed.
